Shannen Doherty's cancer fight has taken a heartbreaking toll on her.
The 45-year-old actress revealed last August that she was diagnosed with br**st cancer in February 2015, and in an exclusive new interview with ET, Doherty cries when speaking about her intense battle.
"It's hard," she acknowledges to ET's Jennifer Peros, shedding tears. "I started thinking that I wasn't going to live... I don't look past today."
"I don't know if I'll ever look like me again," she adds, wearing a scarf over her head
In the emotional sit-down, Doherty reveals a devastating setback in her diagnosis for the first time.
"I want to believe that if I fight, I'm gonna be OK," she says.